News
31
2022
-
10
Solution to fouling of MBR membrane
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Source:
MBR membrane module in the use of the process will appear dirt, so what is the cause of this situation? Let's take a look.
Reason: There are serious problems in the on-site biochemical system, the system has a serious shortage of mud discharge, the high temperature climate leads to the accumulation and fermentation of dead mud, and there are more high-viscosity bubbles. The large-volume aeration of the membrane tank shatters the dead mud and adheres to the membrane surface with high viscosity foam. In addition, because the on-site membrane tank is not equipped with a liquid level gauge, the high liquid level is a false liquid level.
The actual liquid level is lower than the liquid level of the membrane component.
1. Increase sludge discharge: adjust the current single sludge dewatering machine to work 24 hours, and contact the manufacturer to repair the other sludge dewatering machine.
2, eliminate bubbles: to the biochemical pool to participate in the defoamer, eliminate many high viscosity bubbles.
3. Adjust the biochemical effect of the front-end system, add organic nutrients regularly and quantitatively, and cultivate new activated sludge.
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